Abstract:
본 발명은 페노티아진계 전달물질을 이용한 페놀계 고분자의 제조방법에 관한 것으로서, 더욱 상세하게는 퍼록시데이즈 생촉매와 산화제 존재 하에서 페놀계 단량체를 중합함에 있어 페노티아진계 전달물질을 추가로 사용하여 퍼록시데이즈의 효소 반응성을 개선시키는 페놀계 고분자의 제조방법에 관한 것이다. 본 발명의 중합방법으로 제조된 페놀계 고분자는 곁 사슬로 결합된 불포화 탄화수소기가 그대로 보존되어 있어 라디칼 경화반응이 용이하므로 경화수지로서 유용하게 사용될 수 있고, 또한 상기 경화수지가 포함된 도료가 코팅된 도막은 항산화능이 우수하고, 도막의 표면 에너지가 작아서 물리적인 해양생물의 부착을 저해하며, 방오작용기의 소모가 발생되지 않아 지속적으로 내구성을 발현하게 된다.
Abstract:
PURPOSE: A method for producing saccharides from waste sludge generated from the paper process is provided, thereby producing saccharides useful for microorganisms, and decreasing environmental pollution caused by the waste sludge of paper. CONSTITUTION: A method for producing saccharides from waste sludge generated from the paper process comprises the steps of: mixing the waste sludge of paper under following conditions: the temperature of 50 deg. C; the flow rate of 105 l/min; and the air flow rate of 15 l/min to separate small particles and powder; and treating the separated small particles and powder with hydrolase or acid catalysts, wherein the hydrolase is one or two selected from cellulase, amylase, xylase and hemicellulase and is added in an amount of 0.01 to 0.1 wt.%; and the acid catalyst is selected from sulfuric acid, hydrochloric acid, and nitric acid and is added in an amount of 0.01 to 0.1 wt.%.
Abstract translation:目的:提供从造纸工艺生产的废污泥生产糖类的方法,从而生产有用的微生物糖,减少纸废物污染造成的环境污染。 构成:从纸张处理产生的废污泥生产糖的方法包括以下步骤:在以下条件下混合纸的废污泥:温度为50℃。 C; 流量105 l / min; 空气流速15 l / min,分离小颗粒和粉末; 用水解酶或酸催化剂处理分离的小颗粒和粉末,其中水解酶是选自纤维素酶,淀粉酶,淀粉酶和半纤维素酶中的一种或两种,并且以0.01至0.1重量%的量加入; 酸催化剂选自硫酸,盐酸和硝酸,其添加量为0.01〜0.1重量%。
Abstract:
PURPOSE: A thermally stable CiP(Coprinus cinereus peroxidase) mutant protein and a DNA encoding the same are provided to ensure high thermal stability and to be used in various industries. CONSTITUTION: A thermally stable CiP(Coprinus cinereus peroxidase) mutant protein has 323th amino acid of sequence number 1, in which serine is substituted with tyrosine; 328th amino acid in which glutamic acid is substituted with aspartic acid; or both thereof. A DNA encoding CiP mutant protein has 967-969th bases of sequence number 5, which are substituted with a codon encoding tyrosine and has a base sequence of sequence number 6.
Abstract:
PURPOSE: A bio sensor and a manufacturing method thereof are provided to fix metal nano-particle using a non-covalent binding mode without destroying covalent bond between carbons of the carbon nano-tube. CONSTITUTION: A manufacturing method with a metal immobilized carbon nano-tube comprises following steps. A carbon nano-tube transistor including source electrode, drain electrode, and gate and carbon nano-tube(30) is manufactured. In the carbon nano-tube transistor, all electrodes except for the carbon nano-tube are insulated. The insulated carbon nano-tube transistor is put into solution with metallic ion and fixes the metal nano-particle on the surface of the carbon nano-tube.
Abstract:
A method for manufacturing a monovalent alcohol is provided to improve selectivity and space yield even under the mild reaction condition by using a catalyst having excellent thermal stability, chemical stability and reaction activity. A method for manufacturing a monovalent alcohol comprises the step of direct gas phase reducing a C1~C10 monocarboxylic acid or its derivative by hydrogen on a catalyst represented by Ru(a)Sn(b)Zn(d)Ox, wherein (a), (b) and (d) are a component ratio based on an atomic number, and (a) is 1~20 and (b) is 1~40 if (d) is 100; and x is an atomic number of oxygen and is determined according to the valence and composition ratio of other components. The catalyst is plasticized at 300~800 °C under the air atmosphere.
Abstract:
A microorganism detecting sensor is provided to estimate existence and concentration of E. coli in a sample simply without requiring any complicated laboratory facilities or equipments or any necessary conditions for culturing. A sensor for detecting microorganism comprises: a carbon nano-tube transistor array including a channel region consisting of a metal source electrode(12), a metal drain electrode(14), a gate(16) and a carbon nano-tube(18); an aptamer(20) which is absorption-modified into the carbon nano-tube, thereby being specifically bonded to microorganism(24); and a fixation material which fixates the aptamer on the carbon nanotube. A method for detecting microorganism comprises the steps of: (a) preparing a plurality of diluted solutions of the microorganisms having different diluted concentrations; (b) precipitating the aptamer of the microorganism detecting sensor having the carbon nanotube transistor in the microorganism diluted solutions; (c) measuring electroconductivity of the carbon nanotube transistor; and (d) after providing 0(on) or 1(off) in accordance with change of the electroconductivity value, estimating the microorganism concentration through an MPN table. Further, the channel region consisting of the carbon nano-tube consists of single wall nano-tube or multi wall nano-tube.
Abstract:
본 발명은 코프리너스 시네레우스 유래 퍼옥시다아제를 이용한 페놀계 고분자의 제조방법에 관한 것으로서, 더욱 상세하게는 페놀 단량체 중합시 유독성의 포르말린 사용이 필수적인 통상의 퍼옥시다아제와 가격이 매우 고가이고 과산화수소에 의하여 쉽게 불활성화되는 식물체 유래 퍼옥시다아제 대신에, 코프리너스 시네레우스 유래 퍼옥시다아제를 이용하여 페놀계 단량체를 극성 유기용매 내에서 온화한 반응조건(상온, 상압) 하에서 중합시킴으로써 수율이 증대되고, 경제적이며, 내수성, 내화학성이 뛰어난 페놀계 고분자를 제조하는 방법에 관한 것이다. 퍼옥시다아제, 페놀계 고분자, 코프리너스 시네레우스
Abstract:
본 발명은 생촉매를 이용한 페놀계 중합체의 제조방법 및 그의 용도에 관한 것으로서, 보다 상세하게는 식물에서 유래한 페놀계 단량체를 생촉매인 산화환원 효소의 작용으로 유기용매 내에서 중합시킴으로써 효과적으로 페놀계 중합체를 제조하며, 이를 경화시킨 후 방오도료에 적용할 경우 상기 방오도료를 코팅하여 형성된 페놀계 고분자 코팅 도막의 표면 에너지가 작아서 물리적인 해양생물의 부착을 저해하고, 또한, 방오작용기의 소모가 발생되지 않아 지속적으로 내구성을 발현하는 화학적 방오작용이 우수한 특성을 나타내는 생촉매를 이용한 페놀계 중합체의 제조방법 및 그의 용도에 관한 것이다.
Abstract:
본 발명은 수중오염물질을 제거 처리하기 위한 고정화 이산화티탄 광촉매의 제조방법에 관한 것으로서, 더욱 상세하게는 나노크기의 이산화티탄 분말을 수중에서 음이온성 분산제로 분산안정화시키고, 이를 중공형 또는 다공성의 무기담체에 실리콘계 또는 알루미나계 바인더로 부착시켜 만든 고정화된 이산화티탄 광촉매의 제조방법에 관한 것이다. 상기의 방법으로 제조된 광촉매를 수처리장치에 적용함으로써 광촉매를 회수하기 위한 별도의 분리장치가 필요없고, 동시에 광촉매의 분산으로 인한 균일한 광조사 효과를 얻을 수 있어 경제적이면서도 대용량으로 확장이 용이하다.
Abstract:
PURPOSE: To provide a superior photocatalyst which can be reused by adding boracic acid and sodium ethoxide, thereby improving immobilization force of titanium dioxide and media, a water treatment apparatus for further improving efficiency of the photocatalyst by easily discharging purified treated water, and a water treatment method using the photocatalyst. CONSTITUTION: In a water treatment apparatus comprising a hollow reactor (10) having a certain volume, a raw water inflow pump (22) for flowing raw water in the reactor, and a transfer pump (26) for transferring treated water from the reactor, the water treatment apparatus using immobilized photocatalyst comprises a cylindrical rotary screen (12) vertically arranged in a central part inside the reactor in such a way that the rotary screen is rotated; vanes (18) attached to upper and lower end parts of the rotary screen; a variable motor (20) connected to a hollow rotary shaft by pulley and belt to provide the rotary screen with rotary force, wherein the hollow rotary shaft is integrally attached to an upper part of the rotary screen; a plurality of ultraviolet lamps (14) vertically arranged between the inner wall of the reactor and the rotary screen; and a pair of air lift pumps (16) communicatingly connected to the reactor, wherein the treated water is transferred by the transfer pump as the treated water is passing through the hollow rotary shaft in an upper part of the rotary screen from the rotary screen.